For each agreement, a drink (6)

I believe the answer is:

pernod

'a drink' is the definition.
(Pernod is an example)

'for each agreement' is the wordplay.
'for each' becomes 'per' (per person).
'agreement' becomes 'nod' (a nod indicates agreement).
'per'+'nod'='PERNOD'

(Other definitions for pernod that I've seen before include "French aperitif" , "Ponder on this liqueur" , "Aniseed-flavoured aperitif" , "Drink flavoured with aniseed" , "A liqueur flavoured with anise" .)

I've seen this clue in The Guardian.

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